Point - nonpoint source trading: Looking beyond potential cost savings Author Bartfeld E. Journal/Series Environmental Law | Vol. 23(1); 43 - 106; 64 p. Date 1993 Source IUCN (ID: ANA-048544) Publisher | Place of publication Northwestern School of Law of Lewis and Clark College | Portland, OR, USA Language English Country/Territory United States of America Subject Water Keyword Subsidy/incentive Freshwater quality/freshwater pollution